can't get linkUpDownNotifications working

Hi,

I'm trying to get linkUpDownNotifications to work without much success.

I have compiled net-snmp 5.3.0.1 under linux (Debian) with the disman and oid 
patches.

I am running the daemon as `snmpd -Ddisman -d -Le -p /var/run/snmpd.pid`

From the debugging output, I can see the interfaces being queried:

2006-03-13 09:30:38 Received SNMP packet(s) from callback: 1 on fd 3
2006-03-13 09:30:38 Received SNMP packet(s) from callback: 1 on fd 3
2006-03-13 09:30:38   GETNEXT message
2006-03-13 09:30:38   GETNEXT message
2006-03-13 09:30:38     -- IF-MIB::ifOperStatus.3
2006-03-13 09:30:38     -- IF-MIB::ifOperStatus.3

It's then checking them:

2006-03-13 09:30:38 disman:event:delta: disman:event:delta: Bool comparison: 
(1 != 2) 1
2006-03-13 09:30:38 Bool comparison: (1 != 2) 1
2006-03-13 09:30:38 disman:event:delta: disman:event:delta: Bool comparison: 
(1 != 2) 1
2006-03-13 09:30:38 Bool comparison: (1 != 2) 1
2006-03-13 09:30:38 disman:event:delta: disman:event:delta: Bool comparison: 
(1 != 2) 1
2006-03-13 09:30:38 Bool comparison: (1 != 2) 1

That last line there is the relevant one. I'd just inserted a cable in the 
port, bringing the interface up.

But now debug tells me:

2006-03-13 09:30:38 disman:event:fire: disman:event:fire: Event fired 
(snmpd.conf, _linkUp)
2006-03-13 09:30:38 Event fired (snmpd.conf, _linkUp)
2006-03-13 09:30:38 disman:event:fire: disman:event:fire: No matching event
2006-03-13 09:30:38 No matching event
2006-03-13 09:30:38 disman:event:trigger:monitor: 
disman:event:trigger:monitor: Running trigger (linkDown)
2006-03-13 09:30:38 Running trigger (linkDown)

If I unplug the cable and bring the interface down, I get the same error in 
reverse.

2006-03-13 09:40:38 disman:event:delta: disman:event:delta: Bool comparison: 
(1 == 2) 0
2006-03-13 09:40:38 Bool comparison: (1 == 2) 0
2006-03-13 09:40:38 disman:event:delta: disman:event:delta: Bool comparison: 
(1 == 2) 0
2006-03-13 09:40:38 Bool comparison: (1 == 2) 0
2006-03-13 09:40:38 disman:event:delta: disman:event:delta: Bool comparison: 
(2 == 2) 1
2006-03-13 09:40:38 Bool comparison: (2 == 2) 1
2006-03-13 09:40:38 disman:event:trigger:fire: disman:event:trigger:fire: 
Firing boolean test: Firing boolean test: 
IF-MIB::ifOperStatus.3IF-MIB::ifOperStatus.3
2006-03-13 09:40:38
2006-03-13 09:40:38 disman:event:fire: disman:event:fire: Event fired 
(snmpd.conf, _linkDown)
2006-03-13 09:40:38 Event fired (snmpd.conf, _linkDown)
2006-03-13 09:40:38 disman:event:fire: disman:event:fire: No matching event
2006-03-13 09:40:38 No matching event
2006-03-13 09:41:38 disman:event:trigger:monitor: 
disman:event:trigger:monitor: Running trigger (linkUp)
2006-03-13 09:41:38 Running trigger (linkUp)
2006-03-13 09:41:38

Is this fixable? Is it something I've done wrong somewhere?

Thanks

Helen.


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